RCSB web site still provides 2fo-fc and fo-fc map coefficients downloads in
mmcif format, calculated from validation package.
And they are also available for download through the wwPDB archive.

Yuhe

On Tue, Jan 14, 2025 at 3:53 PM Pavel Afonine <pafon...@gmail.com> wrote:

> Hi all,
> maps are derived information that can be trivially computed using source
> data, like reflection data and the atomic model, so there isn’t much point
> in keeping them around and maintaining an accession service (which costs
> something). If that disappeared, I’d totally understand the reasons!
> You can get these maps in seconds, for example, using:
> phenix.maps model.cif data.cif
> or the usual mtz and pdb files.
> I'm sure other software packages should be able to do the same.
> Pavel
>
> On Tue, Jan 14, 2025 at 6:39 AM Yong Tang <liutan...@gmail.com> wrote:
>
>> Dear all,
>>
>>
>> Taking a random PDB entry 8hbk as an example, at one point of time, we
>> have access to a phase file called 8hbk_phases.mtz under the download
>> section in https://www.rcsb.org/structure/8hbk However that option
>> doesn't seem to be available anymore in general.
>>
>>
>> I do understand PDBe offers electron density maps (8hbk.ccp4 and
>> 8hbk_diff.ccp4 separately)- is that our go-to nowadays when we would like
>> to inspect the maps of any particular PDB entry
>> https://www.ebi.ac.uk/pdbe/entry/pdb/8hbk
>>
>>
>> Please help – maybe I have missed something obvious?
>>
>>
>> Thank you! -yong
>>
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